Lapidary grinding system
United States Patent 3364629
US Patent References:
/0369431.html
- - 0369431

/0445349.html
- - 0445349

Lens grinding and polishing machine
- - 2168843


Inventors:
Zalewski, Henry M.
Publication Date:
01/23/1968
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Primary Class:
International Classes:
B24B1/00; B24B9/16; B24B19/26; B24B9/06; B24B19/00